Traveling Through Another World? Mom Is Still Waiting for Me to Come Home for Dinner

Zhang Xueyan accidentally obtained an unnamed system and was transported from Blue Star to the Cangya Continent where the human race was declining. Later, in order to return to Blue Star to take care of his mother, the protagonist had no choice but to agree to the system's request, leading the human race to kill the nineteenth heaven of Cangya Secret Realm, and finally returned to Blue Star through killing to prove the truth. He didn't expect what was waiting for him at Blue Star. . .